Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7ZRD callsign genealogy
Currently held by Tanner III, Carl B
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W7ZRD's current licensee, walking backwards.
- Tanner III, Carl BWAgranted 2007-01-24cancelled 2008-01-26
Successor callsigns
Callsigns held now by people who previously held W7ZRD.
No current licensee on record previously held this callsign.